CN103991497B - A kind of multifunctional body-building travelling aided bicycle - Google Patents

A kind of multifunctional body-building travelling aided bicycle Download PDF

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Publication number
CN103991497B
CN103991497B CN201410234690.7A CN201410234690A CN103991497B CN 103991497 B CN103991497 B CN 103991497B CN 201410234690 A CN201410234690 A CN 201410234690A CN 103991497 B CN103991497 B CN 103991497B
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China
Prior art keywords
rotating shaft
drive
flywheel
chain
vehicle frame
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Expired - Fee Related
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CN201410234690.7A
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Chinese (zh)
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CN103991497A (en
Inventor
吴焕阳
周祉宁
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7th Middle School Of Quanzhou City Of Fujian Province
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7th Middle School Of Quanzhou City Of Fujian Province
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Publication of CN103991497A publication Critical patent/CN103991497A/en
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Abstract

The present invention relates to wheelchair device field, be specifically related to a kind of multifunctional body-building travelling aided bicycle.It includes vehicle frame, seat support, front-wheel, the driving mechanism of trailing wheel and drive frame movement, front-wheel is universal wheel, trailing wheel is connected on vehicle frame by the first rotating shaft, also include the second rotating shaft being arranged on vehicle frame, second rotating shaft is between front wheels and rear wheels, second rotating shaft is provided with the 3rd flywheel vertically, 4th flywheel, 5th flywheel, first drive, first drive is connected by the first chain and the first rotating shaft transmission, footstep mechanism can be selected, hand push mechanism, twisting mechanism, motor drives and travelling aided bicycle is driven, bluetooth module can also be set up, GPS module realizes Voice command and the location of travelling aided bicycle of the present invention, realize the intellectuality of travelling aided bicycle.After adopting technical scheme, while realizing travelling aided bicycle walking, it is possible to help the disabled to carry out the activity of waist, hand, leg, it is achieved body-building function, and the driving of this travelling aided bicycle is quite convenient.

Description

A kind of multifunctional body-building travelling aided bicycle
Technical field
The present invention relates to wheelchair device field, be specifically related to a kind of multifunctional body-building travelling aided bicycle.
Background technology
Traditional push chairs mainly includes the parts such as big wheel, trundle, hand rim, tire, brake, seat support, footrest, backrest, handrail, it is usually and needs patient to utilize upper limbs force to go to drive hand rim to make wheelchair advance, but a lot of individuals with disabilities or old people, they are often likely exactly upper limb in injured position, then their acting on one's own is turned into very big trouble.This wheelchair function is single, and range of application is restricted.And it is sitting in the old man on wheelchair for a long time and people with disabilities because of lacking limbs training, the problems such as amyotrophy, blood circulation are obstructed can occur again, serious, it is also possible to cause cardiopulmonary exhaustion.
In consideration of it, the problems referred to above are carried out deep research by the present inventor, this case is then had to produce.
Summary of the invention
It is an object of the invention to provide one can assist hand, leg, waist carry out activity and drive convenient multifunctional body-building travelling aided bicycle.
In order to achieve the above object, the present invention adopts such technical scheme:
A kind of multifunctional body-building travelling aided bicycle, including vehicle frame, seat support, front-wheel, the driving mechanism of trailing wheel and drive frame movement, front-wheel is universal wheel, trailing wheel is connected on vehicle frame by the first rotating shaft, also include the second rotating shaft being arranged on vehicle frame, second rotating shaft is between described front-wheel and described trailing wheel, second rotating shaft is provided with the 3rd flywheel vertically, 4th flywheel, 5th flywheel, first drive, first drive is connected by the first chain and the first rotating shaft transmission, described driving mechanism includes footstep mechanism, hand push mechanism, twisting mechanism, described footstep mechanism includes the 3rd rotating shaft being arranged on described vehicle frame, 3rd rotating shaft is fixed with the 3rd sprocket wheel, also include the 3rd chain, 3rd chain is around being located on the 3rd flywheel and forming two external parts, one of them external part winding is also fixed on the 3rd sprocket wheel, another external part is connected to the 3rd spring, 3rd spring is fixed on described vehicle frame, also include pedal, pedal is fixed in the 3rd rotating shaft by connecting rod;Described hand push mechanism includes the push rod being hinged on described vehicle frame, also including the 4th chain, the 4th chain is around being located on the 4th flywheel and forming two external parts, and one of them external part is directly anchored on push rod, another external part is connected to the 4th spring, and the 4th spring is fixed on push rod;Described twisting mechanism includes the 5th chain, 5th chain is around being located on the 5th flywheel and forming two external parts, one of them external part is fixed on described seat support, another external part is connected to the 5th spring, 5th spring is fixed on described seat support, and described seat support is arranged support axle along the longitudinal direction and is hinged on described vehicle frame by one.
In such scheme, described seat support includes seat cushion and backrest, and described support axle is fixed with two pieces of longitudinal supporting plates, and seat cushion is fixing on the supporting plate, and described 5th spring is fixed on the lower surface of seat cushion.
In such scheme, the said two external part of described 4th chain is each attached to the lower end of described push rod.
In such scheme, described 3rd spring is fixed on described vehicle frame by bolt assembly.
In such scheme, described first rotating shaft is fixed with the second drive, described first drive and the second drive and carries out transmission by described first chain.
Further, described driving mechanism also includes the drive motor being fixed in described vehicle frame, being connected to the 6th flywheel on the output shaft of drive motor, described first rotating shaft is provided with the 6th drive, described 6th flywheel and the 6th drive and is connected by the 6th chain drive.
After adopting technical scheme, after being sitting on seat support, sole steps pedal makes the 3rd sprocket wheel rotate certain radian, 3rd sprocket wheel passes through the 3rd chain-driving the 3rd flywheel turns, and then the rotation of trailing wheel is driven by the first drive, realize vehicle frame to travel forward, 3rd sprocket wheel drives the 3rd spring elongation while rotating, when pedal is not applied strength by sole, 3rd spring return function also drives pedal return, when three spring return functions, characteristic due to flywheel, 3rd flywheel rotates backward and will not drive the second axis of rotation, so repeatedly step and unclamp pedal, realize that vehicle frame is proal allows foot carry out activity simultaneously, play body-building function;When promoting push rod forward, 4th chain-driving the 4th flywheel turns, and then transfer the motion to trailing wheel by the first drive and drive the rotation of trailing wheel, owing to two extensions of the 4th sprocket wheel are each attached on push rod, when push rod rotates, owing to two extensions are all subject to the pulling force of push rod, make the 4th chain twice that transmission amount is push rod horizontal displacement on the 4th flywheel, such push rod only need to adopt less rotational angle to can be achieved with travelling forward of vehicle frame, this needs to use hand to promote for some to drive vehicle frame and the disabled that hand is difficult to Large Amplitude Motion is particularly useful;When being sitting on seat support, waist is twisted by left and right, when waist twists to the left, the center of gravity of human body offsets to the left side, the left part of seat support moves down under the effect supporting axle, the right part of seat support is then lifted up, and drive two extensions of the 5th chain to move upward, and then drive the 5th flywheel turns, rotation is transferred to trailing wheel by the first drive by the 5th flywheel, and then drive the advance of vehicle frame, so vehicle frame is driven to travel forward by the twisting of waist, reach the effect to waist body-building simultaneously, owing to the side of seat support is when rising, drive two extensions of the 5th chain to move upward simultaneously, when seat support side rises displacement one timing, 5th chain transmission amount on the 5th flywheel is the twice rising displacement on seat support side, only need to carry out twisting waist by a small margin can drive vehicle frame to advance, this is particularly convenient to the disabled driving vehicle frame for relying on waist twisting.
Accompanying drawing explanation
The structural representation of Fig. 1 present invention;
The structural representation (wherein in order to conveniently see the attachment structure of each parts clearly, seat support and a trailing wheel are not shown) of Fig. 2 present invention;
Fig. 3 is the enlarged drawing at A place in Fig. 2;
Fig. 4 is the top view (wherein in order to conveniently see the attachment structure of each parts clearly, seat support and front-wheel, trailing wheel are not shown) of the present invention;
Fig. 5 is the enlarged drawing at B place in Fig. 4;
Fig. 6 is the upward view (wherein in order to conveniently see the attachment structure of each parts clearly, seat support and front-wheel, trailing wheel are not shown) of the present invention;
Fig. 7 is the upward view at C place in Fig. 6;
Fig. 8 is flywheel structure schematic diagram of the present invention;
Fig. 9 is circuit control module circuit design principle figure of the present invention.
In figure:
1-vehicle frame 2-seat support
21-seat cushion 22-backrest
211-supports axle 212-gripper shoe
3-trailing wheel 31-the first rotating shaft
32-the second drive 33-the first chain
51-the 3rd rotating shaft 52-the 3rd sprocket wheel
53-the 3rd chain 54-the 3rd spring
55-pedal 56-connecting rod
57-bolt assembly 61-push rod
62-the 4th chain 63-the 4th spring
71-the 5th chain 72-the 5th spring
8-the second rotating shaft 82-the first drive
83-the 3rd flywheel 84-the 4th flywheel
85-the 5th flywheel 91-the 6th flywheel
92-the 6th chain 93-output shaft
4-trailing wheel 101-sprocket wheel
102 ratchet 103-ratchets
104-axle
Detailed description of the invention
In order to technical scheme is explained further, it is described in detail below in conjunction with accompanying drawing.
If Fig. 1 is to shown in 8, a kind of multifunctional body-building travelling aided bicycle, including vehicle frame 1, seat support 2, front-wheel 4, trailing wheel 3 and the driving mechanism driving frame movement, these are the conventional structure of wheelchair, generally can also arrange handrail in seat support 2 both sides.Front-wheel 4 is universal wheel, trailing wheel 3 is connected on vehicle frame 1 by the first rotating shaft 31, also include the second rotating shaft 8 being arranged on vehicle frame, second rotating shaft 8 is between described front-wheel 4 and described trailing wheel 3, second rotating shaft 8 is provided with the 3rd flywheel the 83, the 4th flywheel the 84, the 5th flywheel the 85, first drive 82 vertically, first drive 82 is in transmission connection by the first chain 33 and the first rotating shaft 31, in examples of implementation, being fixed with the second drive 32 in described first rotating shaft 31, described first drive 82 and the second drive 32 carry out transmission by described first chain 33.3rd flywheel the 8, the 4th flywheel the 84, the 5th flywheel 85 rotates forward and the second rotating shaft 8 can be driven to rotate forward, and the second rotating shaft 8 drives the first rotating shaft 31 to rotate forward by the first chain 33, and then drives trailing wheel 4 to rotate forward.The structure of the 3rd flywheel the 8, the 4th flywheel the 84, the 5th flywheel 85 is substantially as shown in Figure 8, mainly include sprocket wheel 101, ratchet 102, ratchet 103, axle 104 are located in the center of ratchet, when sprocket wheel 101 rotation forward can drive ratchet 102 to rotate forward, and then band moving axis 104 rotates forward, and when sprocket wheel 101 rotates backward, due to the effect of ratchet, axle 104 then will not rotate backward accordingly, this flywheel can adopt bicycle freewheel, and existing announcement, is no longer described in detail here in the prior art.
Heretofore described driving mechanism includes footstep mechanism, hand push mechanism, twisting mechanism, and footstep mechanism, hand push mechanism, twisting mechanism are symmetricly set on the both sides of vehicle frame 1, and for convenience, the side of a selection vehicle frame 1 illustrates.
In such scheme, described footstep mechanism includes the 3rd rotating shaft 51 being arranged on described vehicle frame 1, one end of 3rd rotating shaft 51 is fixed with the 3rd sprocket wheel 52, also include the 3rd chain 53,3rd 53 articles of chain is around being located on the 3rd flywheel 83 and forming two external parts, one of them external part winding is also fixed on the 3rd sprocket wheel 52, another external part is connected to the 3rd spring 54,3rd spring 54 is fixed on described vehicle frame 1 by bolt assembly 57, also including pedal 55, pedal 55 is fixed in the 3rd rotating shaft 51 by connecting rod 56;Step pedal 55, pedal 55 drives the 3rd rotating shaft 51 to rotate certain angle by connecting rod 56, the rotation of the 3rd rotating shaft 52 drives the 3rd sprocket wheel 52 to turn an angle, and then drive the 3rd chain 53 travels forward and the rotation forward of the 3rd flywheel 83, the rotation forward of the 3rd flywheel 83 drives the second rotating shaft 8 to rotate forward, and then driving the first drive 82 to rotate forward, the first drive drives the second drive 32 to rotate forward by the first chain 33, and then drives trailing wheel 4 to rotate.
In such scheme, described hand push mechanism includes the push rod 61 being hinged on described vehicle frame 1, the lower end of push rod 61 is hinged on described vehicle frame 1, also include the 4th chain 62,4th chain 62 is around being located on the 4th flywheel 84 and forming two external parts, one of them external part is directly anchored on push rod 61, and another external part is connected to the 4th spring 63, and the 4th spring 63 is fixed on push rod 61.When promoting forward push rod 61, push rod 61 drives the 4th chain 62 and the 4th spring 63 to travel forward simultaneously, and the 4th chain 62 travels forward and drives the 4th flywheel 84 to rotate forward, and then drives the second rotating shaft 8 to rotate forward, and final drive trailing wheel 4 rotates forward.
In such scheme, described twisting mechanism includes the 5th chain 71,5th chain 71 is around being located on the 5th flywheel 85 and forming two external parts, one of them external part is fixed on described seat support 2, another external part is connected to the 5th spring 72,5th spring 72 is fixed on described seat support 2, and described seat support 2 is arranged support axle 211 along the longitudinal direction and is hinged on described vehicle frame 1 by one.In an embodiment, described seat support 2 includes seat cushion 21 and backrest 22, medicated cushion 21 and backrest 22 and can be arranged as required to as liftable structure.Being fixed with two pieces of longitudinal supporting plates 212 on described support axle 211, seat cushion 21 is fixed in gripper shoe 212, and described 5th chain 71 and the 5th spring 72 are each attached to the lower surface of seat cushion 21.After on seat cushion 21, waist is twisted by left and right, the center of gravity of human body offsets toward left and right directions, and then drive the both sides of seat cushion 21 to realize rising or falling around supporting axle 211, when rising on the side of seat cushion 21, then the 5th chain 71 of this side and the 5th spring 72 are pulled upward, and then drive the 5th flywheel 85 to rotate forward, final drive trailing wheel 3 to travel forward.
Further, described driving mechanism also includes the drive motor (not shown) being fixed in described vehicle frame 1, the output shaft 93 of drive motor is connected to the 6th flywheel 91, described first rotating shaft 31 is provided with the 6th drive 32, and described 6th flywheel 91 and the 6th drive 32 are in transmission connection by the 6th chain 92.The control switch of drive motor is preferably provided at push rod 61 upper surface, to facilitate, drive motor is controlled.When drive motor rotates forward, trailing wheel 4 is driven to rotate forward by the 6th chain 92.In an embodiment, drive motor selects the DC speed-reducing of Japan's TAKANAWA7 font 555 metal gear, and the rated voltage of motor is 12V, and during normal operation, electric current is 3A, motor output speeds 40-80 rev/min.Adopting 12v/10Ah dynamic lithium battery is that drive motor is powered, and wherein adopts 10A two-way motor drive module, and this driving module can bear big current overload, and maximum current is up to 30A.Motor can be checked rapidly by the brake function that this driving module has, and rapidly, braking is substantially, it is achieved this feature operation is simple in brake.It mainly adopts complete two panels half-bridge driven chip to add the N-channel MOS FET composition of extremely low internal resistance.Complete two panels half-bridge driven chip has reliable type of drive, makes the switching loss of MOSFET be down to minimum.Improve power utilization rate.MOSFET driving chip carries hardware brake function and back electrical energy function.It is better than, and integrated power chip solution power headroom is low and timing coordination challenge and complementary drive problem in other half-bridge assembled schemes.MOSFET adopts N-channel IRF3205MOSFET, use the special half-bridge driven chip of two panels, upper pipe is adopted bootstrap capacitor, pipe is made to have enough driving voltages, MOSFET channel can be quickly made to open, improving the acceleration curvature of motor, can be also motor braking rapidly simultaneously, this can make dolly to start rapidly also can kill rapidly car.Certainly, in order to make the present invention have brake function, it is possible to by increasing brake handle, realize the brake of travelling aided bicycle.
The present invention has four wheels, and two front-wheels do not need power drive, it is only necessary to drive two trailing wheels just can realize the motor control to travelling aided bicycle.When the speed of two trailing wheels in left and right is consistent, car travels forward;When the speed of two trailing wheels in left and right is inconsistent, the mode that differential drives is utilized to control the left-right rotation of travelling aided bicycle.
In order to make multifunctional body-building travelling aided bicycle function of the present invention more diversified, with reference to Fig. 9, the present invention can control module by extension circuit, select STM32F103ZET6 as control chip, this chip is based on 32 8-digit microcontrollers of ARMCortex-M3 core, LQFP-144 encapsulates, 512K in-chip FLASH (is equivalent to hard disk), 64K ram in slice (is equivalent to internal memory), in-chip FLASH supports online programming (IAP), the frequency of up to 72M, data, different streamlines is walked in instruction respectively, to guarantee that the CPU speed of service reaches to maximize, by Pian Nei BOOT district, serial ports can be realized and download (ISP).Double; two RC crystal oscillators in sheet, provide the outer high speed crystal oscillator (8M) of the frequency of 8M and 32K, supporting pieces and off-chip low speed crystal oscillator (32K).Wherein off-chip low speed crystal oscillator can be used for the real-time clock of CPU, band back-up source pin, backing register (can be understood as the RAM that battery preserves) for the clock walking after power down, 42 16, utilize external button cell, preserve function with realizing power failure data, support JTAG, SWD debugging.Coordinate cheap J-LINK, realize the exploitation debugging plan of high speed low cost, up to 80 IO (the compatible 5V logic of major part), 4 general purpose timers, 2 senior intervalometers, 2 basic intervalometers, 3 road SPI interface, 2 road I2S interfaces, 2 road I2C interfaces, 5 road USART, one USB is from equipment interface, one CAN interface, SDIO interface, compatible SRAM, 16 BITBUS network-FSMC of NOR and NANDFlash interface, 3 tunnels totally 16 passages 12 AD input, 12 DA outputs of 2 tunnels totally 2 passages.Supporting pieces outer independent voltage reference, CPU operation voltage range: 2.0-3.6V.This chip mainly completes to accept the instruction of host computer analysis instruction type, thus performing corresponding action.Host computer can select mobile phone, utilizes bluetooth module can send instruction by Voice command, and performs corresponding action by circuit control module, it is achieved voice control function.Can also setting up gyro sensor, real-time data collection also and judges that the state of fuselage ensures that fuselage does not tilt to a certain extent;By setting up GPS module, travelling aided bicycle is positioned, set up tachogenerator, it is achieved the monitoring to travelling aided bicycle speed.
The product form of the present invention is not limited to this case diagram and embodiment, and it is carried out the suitably change of similar thinking or modifies by anyone, all should be regarded as the patent category without departing from the present invention.

Claims (5)

1. a multifunctional body-building travelling aided bicycle, including vehicle frame, seat support, front-wheel, the driving mechanism of trailing wheel and drive frame movement, front-wheel is universal wheel, trailing wheel is connected on vehicle frame by the first rotating shaft, it is characterized in that: also include the second rotating shaft being arranged on vehicle frame, second rotating shaft is between described front-wheel and described trailing wheel, second rotating shaft is provided with flywheel three vertically, flywheel four, flywheel five, first drive, first drive is connected by the first chain and the first rotating shaft transmission, described driving mechanism includes footstep mechanism, hand push mechanism, twisting mechanism, described footstep mechanism includes the 3rd rotating shaft being arranged on described vehicle frame, 3rd rotating shaft is fixed with sprocket wheel three, also include chain three, chain three is around being located on flywheel three and formed two external parts, one of them external part winding is also fixed on sprocket wheel three, another external part is connected to spring three, spring three is fixed on described vehicle frame, also include pedal, pedal is fixed in the 3rd rotating shaft by connecting rod;Described hand push mechanism includes the push rod being hinged on described vehicle frame, also including chain four, chain four is around being located on flywheel four and formed two external parts, and one of them external part is directly anchored on push rod, another external part is connected to spring four, and spring four is fixed on push rod;Described twisting mechanism includes chain five, chain five is around being located on flywheel five and formed two external parts, one of them external part is fixed on described seat support, another external part is connected to spring five, and spring five is fixed on described seat support, and described seat support is hinged on described vehicle frame by a support axle arranged along the longitudinal direction, described seat support includes seat cushion and backrest, being fixed with two pieces of longitudinal supporting plates on described support axle, seat cushion is fixing on the supporting plate, and described spring five is fixed on the lower surface of seat cushion.
2. multifunctional body-building travelling aided bicycle as claimed in claim 1, it is characterised in that: the said two external part of described chain four is each attached to the lower end of described push rod.
3. multifunctional body-building travelling aided bicycle as claimed in claim 1, it is characterised in that: described spring three is fixed on described vehicle frame by bolt assembly.
4. multifunctional body-building travelling aided bicycle as claimed in claim 1, it is characterised in that: described first rotating shaft is fixed with the second drive, described first drive and the second drive and carries out transmission by described first chain.
5. multifunctional body-building travelling aided bicycle as claimed in claim 1, it is characterized in that: described driving mechanism also includes the drive motor being fixed in described vehicle frame, the output shaft of drive motor is connected to flywheel six, described first rotating shaft is provided with drive six, and described flywheel six and drive clematis stem are crossed chain six and be in transmission connection.
CN201410234690.7A 2014-05-29 2014-05-29 A kind of multifunctional body-building travelling aided bicycle Expired - Fee Related CN103991497B (en)

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CN103991497B true CN103991497B (en) 2016-06-29

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108567527B (en) * 2018-05-16 2021-02-02 中南大学湘雅三医院 Lower limb rehabilitation and walk-replacing exercise bicycle for cerebral hemorrhage
CN109050773B (en) * 2018-08-07 2024-02-27 张文成 Reverse pedal bicycle
TWI674989B (en) * 2018-11-21 2019-10-21 緯創資通股份有限公司 Moveable carrier and brake module thereof

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1458028A (en) * 2002-05-14 2003-11-26 赵宽学 Bicycle driven by torque force
CN2892646Y (en) * 2006-01-13 2007-04-25 郭志刚 Swinging body-building tricycle
CN202180883U (en) * 2011-08-19 2012-04-04 肖一九 Self-propelled four-wheeled box wagon
CN203345116U (en) * 2013-06-17 2013-12-18 南京航空航天大学 Manpower automobile capable of building up body
KR20140063955A (en) * 2012-11-19 2014-05-28 김유일 Moving and full-body rehabilitation exercise multipurpose 2 seater bike

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1458028A (en) * 2002-05-14 2003-11-26 赵宽学 Bicycle driven by torque force
CN2892646Y (en) * 2006-01-13 2007-04-25 郭志刚 Swinging body-building tricycle
CN202180883U (en) * 2011-08-19 2012-04-04 肖一九 Self-propelled four-wheeled box wagon
KR20140063955A (en) * 2012-11-19 2014-05-28 김유일 Moving and full-body rehabilitation exercise multipurpose 2 seater bike
CN203345116U (en) * 2013-06-17 2013-12-18 南京航空航天大学 Manpower automobile capable of building up body

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Granted publication date: 20160629